Zinchem is a division of the R1 billion a year Zimco Group of companies which forms part of the international Ecobat group.Zinchem supplies both local and international markets from a plant in Benoni,just ouside Johannesburg. Zinchem was founded after the Second World War as a division of Anglo American at the time,to produce Zinc Dust, which was used for gold cementation in cyanide solutions. Through the adoption of best-practice pyrometallurgical and hydrometallurgical processe. Zinchem conve...